The effect of heat conduction through the adiabatic section on the oscillating motion and heat transfer performance in an oscillating heat pipe (OHP) was investigated experimentally. Two, closed loop, six-turn OHPs were constructed: one with a separate copper block for the evaporator and condenser sections (split block design) and one using a single continuous copper block for the evaporator, adiabatic, and condenser sections (continuous block design). The results show that the presence of heat conduction directly from the evaporator wall to the adiabatic section and from the adiabatic section to the condenser of a heat pipe will reduce the oscillating amplitude of the evaporator, adiabatic, and condenser temperatures. It was also found that in addition to a higher level of temperature uniformity, the continuous block design results in better heat transfer performance than a heat pipe without conduction through the adiabatic section.
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June 2011
Technical Briefs
Heat Conduction Effect on Oscillating Heat Pipe Operation
C. D. Smoot,
C. D. Smoot
Department of Mechanical and Aerospace Engineering,
University of Missouri
, Columbia, MO 65211
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H. B. Ma,
H. B. Ma
Department of Mechanical and Aerospace Engineering,
e-mail: mah@missouri.edu
University of Missouri
, Columbia, MO 65211
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C. A. Wilson,
C. A. Wilson
Department of Mechanical and Aerospace Engineering,
University of Missouri
, Columbia, MO 65211
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L. Greenberg
L. Greenberg
Northrop Grumman Corporation
, Linthicum, MD 21090
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C. D. Smoot
Department of Mechanical and Aerospace Engineering,
University of Missouri
, Columbia, MO 65211
H. B. Ma
Department of Mechanical and Aerospace Engineering,
University of Missouri
, Columbia, MO 65211e-mail: mah@missouri.edu
C. A. Wilson
Department of Mechanical and Aerospace Engineering,
University of Missouri
, Columbia, MO 65211
L. Greenberg
Northrop Grumman Corporation
, Linthicum, MD 21090J. Thermal Sci. Eng. Appl. Jun 2011, 3(2): 024501 (6 pages)
Published Online: July 5, 2011
Article history
Received:
December 9, 2010
Revised:
April 7, 2011
Online:
July 5, 2011
Published:
July 5, 2011
Citation
Smoot, C. D., Ma, H. B., Wilson, C. A., and Greenberg, L. (July 5, 2011). "Heat Conduction Effect on Oscillating Heat Pipe Operation." ASME. J. Thermal Sci. Eng. Appl. June 2011; 3(2): 024501. https://doi.org/10.1115/1.4004077
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